Template methods on Timer classes instead of the classes themselves.

ui/views/controls/throbber.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_THROBBER_H_
 #define UI_VIEWS_CONTROLS_THROBBER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
@@ skipping 19 matching lines @@
   // Overridden from View:
   gfx::Size GetPreferredSize() const override;
   void OnPaint(gfx::Canvas* canvas) override;
 
  protected:
   // Specifies whether the throbber is currently animating or not
   bool IsRunning() const;
 
  private:
   base::TimeTicks start_time_;  // Time when Start was called.
-  base::RepeatingTimer<Throbber> timer_;  // Used to schedule Run calls.
+  base::RepeatingTimer timer_;  // Used to schedule Run calls.
 
   // Whether or not we should display a checkmark.
   bool checked_;
 
   DISALLOW_COPY_AND_ASSIGN(Throbber);
 };
 
 // A SmoothedThrobber is a throbber that is representing potentially short
 // and nonoverlapping bursts of work.  SmoothedThrobber ignores small
 // pauses in the work stops and starts, and only starts its throbber after
@@ skipping 17 matching lines @@
   // Called when the shutdown-delay timer fires.
   // This function stops the actual throbbing.
   void StopDelayOver();
 
   // Delay after work starts before starting throbber, in milliseconds.
   int start_delay_ms_;
 
   // Delay after work stops before stopping, in milliseconds.
   int stop_delay_ms_;
 
-  base::OneShotTimer<SmoothedThrobber> start_timer_;
-  base::OneShotTimer<SmoothedThrobber> stop_timer_;
+  base::OneShotTimer start_timer_;
+  base::OneShotTimer stop_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SmoothedThrobber);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_THROBBER_H_